#2A3983#2A3983

#2A3983 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.7% C 0.125 H 270.6°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#2A3983
RGB	rgb(42, 57, 131)
HSL	hsl(230, 51%, 34%)
HSV	hsv(230, 68%, 51%)
CMYK	cmyk(67.9%, 56.5%, 0%, 48.6%)
CIE-LAB	lab(26.90, 19.71, -43.58)
CIE-LCH	lch(26.90, 47.83, 294.34°)
OKLab	oklab(37.73% 0.0013 -0.1253)
OKLCH	oklch(37.73% 0.125 270.6)
XYZ	xyz(6.5133, 5.0566, 22.1011)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3983 #83742A

analogous

#2A6683 #2A3983 #482A83

triadic

#2A3983 #832A39 #39832A

tetradic

#2A3983 #832A66 #83742A #2A8348

square

#2A3983 #832A66 #83742A #2A8348

split-complementary

#2A3983 #83482A #66832A

monochromatic

#0C1126 #1B2555 #2A3983 #394DB1 #5D6FCB

Accessibility & contrast

On white

10.44

#2A3983 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2A3983 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3983

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3983	#FFFFFF	#000000	##FFFFFF
##2A3983	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004486

Deuteranopia (green-blind)

#003C82

Tritanopia (blue-blind)

#004B58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2a3983;
/* rgb */ color: rgb(42, 57, 131);
/* oklch */ color: oklch(37.7% 0.125 270.6);

Tailwind

colors: {
  custom: {
    50: '#6f6fa8',
    500: '#2a3983',
    950: '#000000',
  },
}

SCSS

$custom: #2a3983;
$custom-light: #6f6fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3983",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 131
  },
  "hsl": {
    "h": 229.888,
    "s": 51.445,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37729,
    "c": 0.12528,
    "h": 270.6
  },
  "luminance": 0.05057
}

Semantic roles & 50–950 ramp

primary

#2A3983

secondary

#B1A258

accent

#C34DDB

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3983

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →